CVE-2021-40407

Known Exploited Public Exploit

Description

An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2], based on DDNS type, the ddns->domain variable, that has the value of the domain parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection. An attacker can send an HTTP request to trigger this vulnerability.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 47.29% Top 5%
KEV Since 
Third-Party Advisory talosintelligence.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-40407?
CVE-2021-40407 has been scored as a high severity vulnerability.
How to fix CVE-2021-40407?
To fix CVE-2021-40407, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40407 being actively exploited in the wild?
It is confirmed that CVE-2021-40407 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~47% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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